Pisobuy, the shopping website of huichuang hengtong science and technology co. LTD., has a chance to get a product for each purchase of one point in the mall. Each item is equally divided into a number of "equal parts", one piso for one point, and the corresponding number.
When a commodity all equal parts, after the completion of the corresponding number assigned is established according to the rules of the compute a lucky number, hold the number of members, direct access to the goods.